/**
 * This file is part of 1genia trampoline
 * Copyright (C) 2007 1genia (contact@1genia.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of the License. 
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; see the file COPYING.TXT.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA 02110-1301, USA. 
 **/
package com.genia.toolbox.config.autoconfiguration.plugin;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import com.genia.toolbox.basics.exception.technical.TechnicalException;
import com.genia.toolbox.config.autoconfiguration.process.ProcessConfiguration;
import com.genia.toolbox.spring.provider.plugin.impl.AbstractSimpleSpringProviderPlugin;

/**
 * Implementation of
 * {@link com.genia.toolbox.spring.provider.plugin.SpringProviderPlugin} that
 * generate the external resources configuration.
 */
public class AutoConfigurationSpringPlugin
    extends AbstractSimpleSpringProviderPlugin
{

  /**
   * the config file.
   */
  private static final String BASE_CONFIG_FILE_RESOURCE = "/com/genia/toolbox/config/autoconfiguration/plugin/autoconfiguration-base-spring-config.xml";



  /**
   * Constructor.
   */
  public AutoConfigurationSpringPlugin()
  {
    super(BASE_CONFIG_FILE_RESOURCE);
  }



  /**
   * Return a {@link Collection} of {@link InputStream} that contains Spring
   * config files.
   * 
   * @return a {@link Collection} of {@link InputStream} that contains Spring
   *         config files
   * @throws TechnicalException
   *           when a configuration file does not exists
   * @see com.genia.toolbox.spring.provider.plugin.SpringProviderPlugin#getConfigurations()
   */
  @Override
  public Collection<InputStream> getConfigurations()
      throws TechnicalException
  {
    List<InputStream> res = new ArrayList<InputStream>(super.getConfigurations());
    try {
      ProcessConfiguration.releaseResources();
      res.add(ProcessConfiguration.getSpringConfiguration());
    }
    catch (Exception e) {
      throw new TechnicalException(e);
    }
    return res;
  }

}
